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SFTP Connection to port 22 is hitting on port 21


IIS7 hundreds of connections in CLOSE_WAITIIS 6 - HTTP suddenly stopped working thought FTP continues to workIIS / Citrix issueMicrosoft Application Request Routing with Windows AuthenticationIIS 8 Server Too BusyMSSQL application failing to connect to database serverWindows Firewall causing connection throttlingDetermine which program is listening to a port, when it's the System process (PID: 4)?How to isolate the access of an internal IIS webserver in a network?Connection refused for Java HTTP Server running on localhost













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I have a web server which connects to an SFTP server on port 22. It has been working fine for some time but since a few days it stopped working.



While investigating, the firewall team sees that request are hitting on port 21 despite the application initiating requests with port 22.



Any idea why this might happen?









share







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Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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    0















    I have a web server which connects to an SFTP server on port 22. It has been working fine for some time but since a few days it stopped working.



    While investigating, the firewall team sees that request are hitting on port 21 despite the application initiating requests with port 22.



    Any idea why this might happen?









    share







    New contributor




    Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      I have a web server which connects to an SFTP server on port 22. It has been working fine for some time but since a few days it stopped working.



      While investigating, the firewall team sees that request are hitting on port 21 despite the application initiating requests with port 22.



      Any idea why this might happen?









      share







      New contributor




      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I have a web server which connects to an SFTP server on port 22. It has been working fine for some time but since a few days it stopped working.



      While investigating, the firewall team sees that request are hitting on port 21 despite the application initiating requests with port 22.



      Any idea why this might happen?







      windows iis





      share







      New contributor




      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 8 mins ago









      Hirvesh MunogeeHirvesh Munogee

      1




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      New contributor




      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Hirvesh Munogee is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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